Cryptic Wood White

  • Cryptic Wood White
    Cryptic Wood White

Scientific name: Leptidea juvernica

As its name suggests, this butterfly is very difficult to distinguish from the Wood White.

This butterfly occurs in only Ireland. It was only discovered to be different from the Wood White in 2001, and more recently its identification was changed again to this new name.

Only found in Ireland where it is widespread. Upperwings white with rounded edges. Males have black mark in edge of forewing. Undersides white with indistinct grey or greenish markings. Wood White is very similar, but in Ireland seems to be restricted to the Burren region.

Size and Family

  • Family – Whites and yellows
  • Medium Sized 
  • Wing Span Range (male to female) - 42mm

Conservation status

  • UK BAP status: Not listed
  • Butterfly Conservation priority: Medium
  • European threat status: Not threatened
  • Protected in Great Britain for sale only

Caterpillar Foodplants

Food-plants not well known but include various legumes such asMeadow Vetchling (Lathyrus pratensis), Tufted Vetch (Vicia cracca), Common Bird's-foot-trefoil (Lotus corniculatus), and Greater Bird's-foot-trefoil (L. pedunculatus).

Distribution

  • Countries – Ireland
  • In the UK, this species is only found in Northern Ireland, where there is some concern about its decline
  • Distribution Trend Since 1970’s = Britain: Not assessed.

Habitat

A wide range of open habitats with lush grass including rough grassland, road and rail verges and hedgerows.

Similar species